Existence of subsonic periodic traveling waves in discrete Klein-Gordon type equations with nonlocal interaction. Mathematics, Informatics, Physics: Science and Education, [S. l.], v. 1, n. 2, p. 99–110, 2024. DOI: 10.31652/3041-1955/2024-01-02-01. Disponível em: https://intranet.vspu.edu.ua/miph/index.php/journal/article/view/21. Acesso em: 23 jun. 2026.